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Finding the Fourth Proportional to 523,500.07, 785,241.46 and 129,516.07

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Solution

The fourth proportional to 523,500.07, 785,241.46 and 129,516.07 is: 194,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,500.07 : 785,241.46 = 129,516.07 : x
  2. Step 2: Convert to fraction form
    523,500.07/785,241.46 = 129,516.07/x
  3. Step 3: Cross multiply
    523,500.07x = 785,241.46 × 129,516.07
  4. Step 4: Simplify right side
    523,500.07x = 101,701,387,900.26
  5. Step 5: Solve for x
    x = 101,701,387,900.26/523,500.07
  6. Step 6: Final answer
    x = 194,271.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.